The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 23, 2025
Filed:
Sep. 29, 2022
Penumbra, Inc., Alameda, CA (US);
Scott Teigen, West Fargo, ND (US);
Steven Loisel, Castro Valley, CA (US);
Stephen Pons, Alameda, CA (US);
Ben Tompkins, Danville, CA (US);
Penumbra, Inc., Alameda, CA (US);
Abstract
An aspiration thrombectomy system including an aspiration catheter having a proximal portion, a distal end and a lumen extending through the catheter, a vacuum source fluidically coupled to the catheter, a vacuum valve connected between the vacuum source and the proximal portion of the catheter to control a vacuum flow in the catheter lumen, a vent valve fluidically coupled to the proximal portion of the catheter, the vent valve being configured to control a flow of a vent fluid in the catheter lumen, and a controller configured to open and close the vacuum valve and the vent valve in a predetermined cycle to change a level of vacuum at the distal end of the catheter and to control fluid flow in and out from the distal end of the catheter.